Home / 12,434.16-18,654.40-4,643.04

Finding the Fourth Proportional to 12,434.16, 18,654.40 and 4,643.04

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Solution

The fourth proportional to 12,434.16, 18,654.40 and 4,643.04 is: 6,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.16 : 18,654.40 = 4,643.04 : x
  2. Step 2: Convert to fraction form
    12,434.16/18,654.40 = 4,643.04/x
  3. Step 3: Cross multiply
    12,434.16x = 18,654.40 × 4,643.04
  4. Step 4: Simplify right side
    12,434.16x = 86,613,125.38
  5. Step 5: Solve for x
    x = 86,613,125.38/12,434.16
  6. Step 6: Final answer
    x = 6,965.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.